Car-door track



(No Model.)

W. SGARFFE.

GAR noon TRACK. No. 283.151. PatenmdA112: .1 8

WITNESSES ATTORNEY tame STATES {PATENT @rrrcn.

WILLIAM SGABFFE, or BROOKLYN, NEW YORK.

.CAR-DOOR TRACK.

SPECIFICATION formingpart Of Letters Patent N0. 283,151, dajtedAugust 14, 1883,

Application fi1ed June 1, 1883. (No model.)

To all whont ifmay concern:

Be it known that I, WVILLIAM SCARFFE, a citizen of the United States, and a resident of which the following is a specification.

1 My invention relates to improvements in door-tracks, such as are used for sliding doors of steam-cars, railroad-cars, steamboats, &c., specially in all cases where the door is exposed to vibrations from the jolting and j arring of such cars or vessels.

In railroad-cars, especially horse-cars, the jolting motion of the car during travel causes the rollers by which the door is supported upon the track to wear deep cavities in the latter,

which again disturbs the normal position of the door, and when the door is suddenly slid to close or Open, the rollers, in leaving the said cavities, frequently get off the track, causing annoyance or waste of time to again replace the door on the track.

hereinafter described and claimed.

Inthe accompanying drawings, Figure 1 represents a side elevation of a portion ofa car-door and the rail or track which supports the same. Fig. 2 is a plan view of-the track, the doorbeing removed. Fig. 3 is an enlarged cross-section of the track andremovable rail-piece, the

section being takenon the line :0 00 of Fig. 5. Fig- 4 is a side elevation of a portion of the track, showing one mode of inserting the rail-.

piece. Fig. 5 is a top view of aportion of the track and removable rail-piece, showing the most preferred manner of inserting and removingthe latter.

Like letters of reference indicate like p arts in the several figures.

Ai s the door, and a the usual rollers by which it is supported upon the rail or track. B is the track, and b the rail proper of the said track. The rail and track I) B are always cast together in one piece, which may be continuous through the width of the door-opening and the depth of the sheathing S, (see Fig. 2,) or made in two sections,.joining each other at s.

The doors of such cars being almost," without exception, always kept in a position either fully closed or fully open, there are three special places onwhich the rollers a of the oar-door always rest, and by the jolting and jarring due to the motion of the car wear circular cavities in the rail, making necessary a tolerably frequent and expensive renewal of the doortrack. repair of such'worn portions of the rail I form in the casting of thetrack, at each of the afore said three places wherethe wheels rest, a slot, 1), of suitable length, and of i the width of the Therefore to cheapen and facilitate the i rail proper, b, and then cast separately short pieces 0, suitable to fit in the said slots b.

In order to increase the tendency of the piece it, as shown in Figs. 3 and 5, by forming a straight and vertical V-joint, c, at the ends of the rail-piece Q, and slightly tapering thesides,

so that a downward pressure will tend to wedge it fast against the corresponding]y-converging sides of the slot b, as plainly shown in Fig. 3. In order to facilitate the removal of the piece 0 when worn sufficiently to need being replaced by a new one, I provide in the casting of the track B, at one side of the slot 1/, a notch or cavity, D, through which a hook or suitable prying-tool may be inserted (as indicated in dotted lines in Fig. 3) to reach the under side of the rail-piece O and raise it. Having thus described my invention, I claim as new and desire to secure by Letters Patent- 3. A slide-door track, B, provided with slots piece, 0, fitting into the said slot, substan- 10 I), having vertical V-shaped ends and downtially as and for the purpose set forth. I ward-converging sides, in combination with a In testimonythatI claim the foregoing as my removable rail-piece, 0, having ends and sides invention I have signed my name, in presence 5 shaped corresponding to the said slot, snbof two Witnesses, this 22d day of May, 1883.

stantially as and for the purpose set forth. WVILLIAM SOARFFE.

4. As1ide-doortraek, B, provided with slots WVitnesses: b, and a notch or cavity D, adjoining the said ROBT. W. MATTHEWS,

slot, in combination with a removable rail- A. WV. ALMQVISI. 

